Abstract: In this paper, a new approach for arrival process characterization in the SS7 level-2 transmission protocol is presented. The SS7 level-2 protocol messages flow enables a very good approximation by analytical model based on the continuous batch Markovian arrival process (BMAP). This analytical model generalize the Poisson assumptions. On this way, accurate predictions of message flows in the SS7 level-2 transmission protocol are achieved. Further, we analyze the SS7 level-2 protocol by way of the BMAP/G/1 queuing system. Using matrix analytic methods we determine actions for steady-state occupancy level computation of the SS7 level-2 buffers. The stationary queue length statistic calculation in SS7 level-2 transmission protocol at service completion times and at an arbitrary time is outlined in this paper
Key words: Transmision protocol, SS7 level-2 protocol, Markovian arrival process, Poisson assumtion.